:root {
  --navy-950: #07111f;
  --navy-900: #0a1628;
  --navy-800: #0d223b;
  --navy-700: #12365d;
  --steel-500: #99a7b8;
  --steel-300: #ccd5df;
  --silver-200: #e5ebf0;
  --silver-100: #f5f8fb;
  --ice-500: #2ed3ff;
  --ice-400: #70e3ff;
  --white: #ffffff;
  --ink: #172033;
  --muted: #5c6878;
  --radius: 8px;
  --shadow: 0 28px 90px rgba(1, 10, 24, 0.34);
  --max-width: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--silver-100);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid var(--ice-400);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1000;
  transform: translateY(-160%);
  border-radius: var(--radius);
  background: var(--ice-500);
  color: var(--navy-950);
  font-weight: 800;
  padding: 0.75rem 1rem;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: min(100% - 32px, var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 17, 31, 0.86);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
  transition:
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 17, 31, 0.96);
  box-shadow: 0 18px 44px rgba(1, 8, 20, 0.24);
}

.nav-shell {
  width: min(100% - 32px, var(--max-width));
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.brand img {
  width: clamp(70px, 18vw, 96px);
  height: auto;
  filter: drop-shadow(0 0 14px rgba(46, 211, 255, 0.18));
}

.brand-text {
  display: grid;
  gap: 0.08rem;
  color: var(--white);
  line-height: 1;
  white-space: nowrap;
}

.brand-text strong {
  font-size: clamp(1.08rem, 2.4vw, 1.42rem);
  font-weight: 950;
  letter-spacing: 0.04em;
}

.brand-text small {
  color: var(--steel-300);
  font-size: clamp(0.42rem, 1vw, 0.55rem);
  font-weight: 850;
  letter-spacing: 0.08em;
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-content: center;
  gap: 5px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.nav-toggle span:not(.sr-only) {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--white);
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(4) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-menu {
  position: fixed;
  inset: 76px 16px auto 16px;
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(7, 17, 31, 0.98);
  color: var(--silver-100);
  box-shadow: var(--shadow);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
}

.nav-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.nav-menu a {
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.8rem 0.95rem;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.nav-menu .nav-cta {
  margin-top: 0.25rem;
  background: linear-gradient(135deg, var(--ice-500), #e8fbff);
  color: var(--navy-950);
  text-align: center;
  box-shadow: 0 12px 32px rgba(46, 211, 255, 0.22);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  gap: 0.2rem;
  margin-top: 0.25rem;
  padding: 0.18rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.nav-menu .language-switcher a {
  min-width: 2.35rem;
  padding: 0.5rem 0.62rem;
  border-radius: calc(var(--radius) - 2px);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.78rem;
  font-weight: 900;
  text-align: center;
}

.nav-menu .language-switcher a:hover,
.nav-menu .language-switcher a[aria-current="true"] {
  color: var(--navy-950);
  background: var(--silver-100);
}

.hero {
  position: relative;
  min-height: 72svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
  background-color: var(--navy-950);
  background-position: center;
  background-size: cover;
}

.home-hero {
  background-image:
    radial-gradient(circle at 72% 38%, rgba(46, 211, 255, 0.14), transparent 23rem),
    linear-gradient(90deg, rgba(7, 17, 31, 0.99), rgba(7, 17, 31, 0.92) 48%, rgba(7, 17, 31, 0.72)),
    url("../img/hero-home.jpg");
  background-blend-mode: normal, normal, normal;
}

.contact-hero {
  min-height: 41svh;
  background-image:
    radial-gradient(circle at 74% 22%, rgba(46, 211, 255, 0.12), transparent 22rem),
    linear-gradient(90deg, rgba(7, 17, 31, 0.99), rgba(7, 17, 31, 0.9)),
    url("../img/hero-contact.jpg");
  background-blend-mode: normal, normal, normal;
  background-position: center 48%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 38%;
  z-index: -1;
  background: linear-gradient(0deg, var(--silver-100), rgba(245, 248, 251, 0));
  opacity: 0.1;
}

.hero-inner {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 5.5rem 0 4rem;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--ice-500);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.35rem, 7vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 1.4rem 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.hero-meta {
  display: grid;
  gap: 0.45rem;
  max-width: 720px;
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 800;
}

.hero-meta span:last-child {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.95rem;
  font-weight: 650;
}

.hero-tagline {
  width: fit-content;
  margin: 1.35rem 0 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(112, 227, 255, 0.25);
  border-radius: var(--radius);
  color: var(--silver-100);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.16em;
}

.hero-actions,
.cta-shell {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-actions {
  margin-top: 2rem;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) - 1px);
  font-weight: 900;
  line-height: 1;
  padding: 0.95rem 1.15rem;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--ice-500), #e8fbff);
  color: var(--navy-950);
  box-shadow: 0 18px 44px rgba(46, 211, 255, 0.24);
}

.btn-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.section {
  padding: clamp(4.25rem, 8vw, 7rem) 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.section h3 {
  margin: 0;
  color: var(--navy-950);
  line-height: 1.16;
}

.two-column {
  display: grid;
  gap: 2rem;
}

.body-copy {
  display: grid;
  gap: 1rem;
  color: var(--muted);
  font-size: 1.04rem;
}

.body-copy p {
  margin: 0;
}

.services-section,
.why-section {
  background:
    linear-gradient(180deg, var(--white), #edf4f8);
}

.service-grid {
  display: grid;
  gap: 1rem;
}

.service-card,
.feature,
.project-card,
.contact-form,
.contact-panel {
  border: 1px solid rgba(13, 34, 59, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 50px rgba(10, 22, 40, 0.08);
}

.service-card {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 3vw, 2rem);
}

.compact-services {
  grid-template-columns: 1fr;
}

.compact-services .service-card {
  align-content: start;
  gap: 0.8rem;
  min-height: 188px;
  border-top: 3px solid rgba(46, 211, 255, 0.52);
}

.service-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

.service-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--navy-950), var(--navy-700));
  color: var(--ice-400);
}

.service-icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.3;
}

.service-card ul {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--muted);
  font-weight: 650;
}

.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ice-500);
}

.process-section {
  color: var(--silver-100);
  background:
    radial-gradient(circle at 8% 12%, rgba(46, 211, 255, 0.12), transparent 22rem),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
}

.process-section h2,
.process-section h3 {
  color: var(--white);
}

.process-list {
  counter-reset: process;
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-item {
  position: relative;
  min-height: 190px;
  display: grid;
  align-content: start;
  gap: 0.85rem;
  padding: 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.process-number {
  color: var(--ice-400);
  font-size: 0.82rem;
  font-weight: 900;
}

.process-item p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.feature-grid {
  display: grid;
  gap: 1rem;
}

.feature {
  min-height: 150px;
  display: grid;
  align-content: space-between;
  gap: 1.5rem;
  padding: 1.15rem;
}

.feature span {
  color: var(--ice-500);
  font-size: 0.78rem;
  font-weight: 900;
}

.feature h3 {
  font-size: 1.1rem;
}

.projects-section {
  background: var(--silver-100);
}

.project-grid {
  display: grid;
  gap: 1rem;
}

.project-category-grid {
  grid-template-columns: 1fr;
}

.project-card {
  overflow: hidden;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 60px rgba(10, 22, 40, 0.14);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 10.5;
  object-fit: cover;
  background: var(--navy-950);
}

.project-card div {
  padding: 1.15rem;
}

.project-placeholder {
  min-height: 220px;
  display: grid;
  align-content: end;
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(7, 17, 31, 0.9), rgba(18, 54, 93, 0.92)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 42px);
}

.project-placeholder div {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(7, 17, 31, 0.34);
}

.project-placeholder h3 {
  color: var(--white);
}

.project-card p {
  margin: 0 0 0.35rem;
  color: var(--ice-500);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.project-card h3 {
  font-size: 1.15rem;
}

.cta-section {
  padding: 0 0 clamp(4.25rem, 8vw, 7rem);
  background: var(--silver-100);
}

.cta-shell {
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius);
  color: var(--white);
  background:
    radial-gradient(circle at 18% 0%, rgba(46, 211, 255, 0.2), transparent 19rem),
    linear-gradient(135deg, var(--navy-950), var(--navy-700));
  box-shadow: var(--shadow);
}

.cta-shell h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.15rem);
  line-height: 1;
}

.cta-shell p:not(.eyebrow) {
  max-width: 660px;
  margin: 0.8rem 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact-section {
  padding-top: clamp(2.75rem, 5vw, 4.7rem);
  background:
    linear-gradient(180deg, var(--silver-100), var(--white));
}

.contact-layout {
  display: grid;
  gap: clamp(1.1rem, 2vw, 1.4rem);
}

.contact-panel,
.contact-form {
  padding: clamp(1.5rem, 3vw, 2.35rem);
}

.contact-panel {
  color: var(--muted);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(235, 243, 249, 0.96));
}

.contact-panel h2 {
  margin: 0 0 1rem;
  color: var(--navy-950);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.contact-panel p {
  margin: 0;
}

.contact-details {
  display: grid;
  gap: 0.8rem;
  margin-top: 2rem;
  color: var(--navy-950);
  font-weight: 800;
}

.contact-details a {
  width: fit-content;
}

.contact-details a:hover {
  color: var(--navy-700);
}

.business-hours {
  display: grid;
  gap: 0.45rem;
  margin-top: 2rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(13, 34, 59, 0.12);
}

.business-hours h3,
.business-hours p {
  margin: 0;
}

.business-hours h3 {
  color: var(--navy-950);
}

.business-hours p {
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 1.25rem;
  border-color: rgba(13, 34, 59, 0.14);
  border-radius: calc(var(--radius) + 2px);
  background: var(--white);
  box-shadow: 0 24px 70px rgba(10, 22, 40, 0.13);
}

.form-grid {
  display: grid;
  gap: 1.1rem;
}

.contact-form label {
  display: grid;
  gap: 0.55rem;
  color: var(--navy-950);
  font-weight: 900;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(13, 34, 59, 0.18);
  border-radius: var(--radius);
  background: #fbfdff;
  color: var(--ink);
  padding: 1rem 1.05rem;
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form .btn-primary {
  min-height: 54px;
  border-color: rgba(46, 211, 255, 0.5);
  background: linear-gradient(135deg, #17c8f6, #d9f8ff);
  box-shadow: 0 20px 50px rgba(46, 211, 255, 0.28);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--ice-500);
  box-shadow: 0 0 0 4px rgba(46, 211, 255, 0.14);
  outline: none;
}

.form-status {
  min-height: 1.5rem;
  margin: 0;
  color: var(--navy-700);
  font-weight: 800;
}

.form-status.is-error {
  color: #a22a2a;
}

.site-footer {
  padding: 3rem 0 1.25rem;
  color: rgba(255, 255, 255, 0.72);
  background: var(--navy-950);
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-grid img {
  margin-bottom: 0;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-brand img {
  width: 88px;
  height: auto;
}

.footer-brand strong {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 950;
  letter-spacing: 0.04em;
}

.footer-grid p {
  max-width: 440px;
  margin: 0;
}

.footer-grid address {
  display: grid;
  gap: 0.45rem;
  font-style: normal;
}

.footer-grid strong {
  color: var(--white);
}

.footer-grid a:hover {
  color: var(--ice-400);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  font-size: 0.9rem;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: var(--white);
  font-weight: 850;
}

.reveal {
  transform: translateY(18px);
  opacity: 0;
  transition:
    transform 620ms ease,
    opacity 620ms ease;
}

.reveal.is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    transform: none;
    opacity: 1;
  }
}

@media (min-width: 640px) {
  .container,
  .nav-shell,
  .hero-inner {
    width: min(100% - 48px, var(--max-width));
  }

  .hero-actions .btn,
  .cta-shell .btn {
    width: auto;
  }

  .service-grid,
  .project-grid,
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .compact-services,
  .project-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .two-column,
  .contact-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .process-list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .project-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .compact-services {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .nav-menu a {
    padding: 0.65rem 0.72rem;
  }

  .nav-menu .nav-cta {
    margin: 0 0 0 0.35rem;
    padding-inline: 1rem;
  }

  .language-switcher {
    margin-top: 0;
    margin-left: 0.35rem;
  }

  .hero-inner {
    padding-top: 6.5rem;
  }
}

@media (max-width: 420px) {
  .btn {
    width: 100%;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 15vw, 3.15rem);
  }
}